Cisco Cisco Web Security Appliance S680 Guía Del Usuario
5-13
Cisco AsyncOS for Web User Guide
Chapter 5 Intercepting Web Requests
Using PAC Files with Client Applications
Step 6
(Optional) In the Hostnames for Serving PAC Files Directly section, configure hostnames and associated
file names for PAC file requests that do not include a port number:
Step 7
Submit and commit your changes.
Specifying PAC Files in Client Applications
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•
Configuring a PAC File Location Manually in Clients
Step 1
Create and publish a PAC file.
Step 2
Enter a URL in your browser’s PAC file configuration area that points to the PAC file location.
The following are valid URL formats if the Web Security appliance is hosting the PAC file:
http://server_address[.domain][:port][/filename] | http://WSAHostname[/filename]
where WSAHostname is the hostname value configured when hosting the PAC file on a Web Security
appliance. Otherwise the URL format will depend on the storage location and, in some cases, on the
client.
appliance. Otherwise the URL format will depend on the storage location and, in some cases, on the
client.
Related Topics
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.
Detecting the PAC File Automatically in Clients
Step 1
Create a PAC file called
wpad.dat
and publish it to a web server or Web Security appliance (the file must
be placed in a web server’s root folder if you intend using WPAD with DNS).
Step 2
Configure the web server to set up
.dat
files with the following MIME type:
application/x-ns-proxy-autoconfig
Option
Description
Hostname
The hostname that the PAC file request must include if the Web Security
appliance is to service the request. As the request does not include a port
number, it will be processed through the Web Proxy HTTP ports (e.g. port
80) and must be distinguishable as a PAC file request through this hostnam-
evalue.
appliance is to service the request. As the request does not include a port
number, it will be processed through the Web Proxy HTTP ports (e.g. port
80) and must be distinguishable as a PAC file request through this hostnam-
evalue.
Default PAC File for "Get/"
Request through Proxy
Port
Request through Proxy
Port
The PAC file name that will be associated with the hostname on the same
row. Request to the hostname will return the PAC file specified here.
row. Request to the hostname will return the PAC file specified here.
Only PAC files that have been uploaded are available for selection.
Add Row
Adds another row to specify additional hostnames and PAC file names.